Migrate CLI to Bun

[RanitMukherjee]

User description

Description

As of now, only have modified the package.json of the CLI

Fixes #363

Future Improvements

This is surely incomplete as of now & the only motivation behind such a low effort PR is to understand the requirements better & actually get the work done.

Mentions

@rajdip-b

Developer's checklist

• [ ] My PR follows the style guidelines of this project
• [ ] I have performed a self-check on my work

If changes are made in the code:

• [ ] I have followed the coding guidelines
• [ ] My changes in code generate no new warnings
• [ ] My changes are breaking another fix/feature of the project
• [ ] I have added test cases to show that my feature works
• [ ] I have added relevant screenshots in my PR
• [ ] There are no UI/UX issues

Documentation Update

• [ ] This PR requires an update to the documentation at docs.keyshade.xyz
• [ ] I have made the necessary updates to the documentation, or no documentation changes are required.

---

PR Type

enhancement, configuration changes

---

Description

• Added new scripts to package.json for Bun build, start, and dev commands.
• Modified the existing dev script to include Bun commands.

---

Changes walkthrough 📝

	Relevant files
Configuration changes	package.json Add Bun support to CLI scripts in package.json                      apps/cli/package.json Added new scripts for Bun build, start, and dev commands. Modified existing dev script to include Bun commands. +5/-2

---

💡 PR-Agent usage: Comment /help on the PR to get a list of all available PR-Agent tools and their descriptions